Question
An astronaut on the Moon throws a stone from the top of a cliff. The stone hits the ground below 21.0 seconds later. The acceleration due to gravity on the moon is
1.6 ms–2. what is the initial vertical velocity?
1.6 ms–2. what is the initial vertical velocity?
Answers
bobpursley
hf=hi+vi*t-1/2 1.6 t^2
hf=21 vi-.8 (21^2) if hi=0 reference point
I don't see that it can be solved without more info, namely, the height of the cliff.
hf=21 vi-.8 (21^2) if hi=0 reference point
I don't see that it can be solved without more info, namely, the height of the cliff.